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<head>
    <meta charset="UTF-8">
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <script>
        Vue.config.productionTip = false;

        let data = {
                name: '张三',
                address: '上海'
            }
            //创建一个实例对象 用于检测数据的变化
        const obs = new Observer(data)

        function Observer(obj) {
            //汇总对象中所有的属性 形成一个数组

        }
    </script>
</body>

</html>